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Can a battery profit from the rate spread?
Estimate the gross and net value of charging during cheap hours and discharging during expensive ones.
Estimated net annual value
Gross bill savings: $1,520/year
Battery wear allowance: $117/year
Peak energy replaced: 2,340 kWh/year
This is an operating-value estimate, not a battery payback forecast. It excludes purchase cost, incentives, backup value, export credits, power limits, taxes, and seasonal schedule changes.